2002 Almanac (page 176)  Table 4-24  Ozone Precursor Emission Trends and Forecasts - NOx								
San Diego Air Basin								

"NOx Emission Trends (tons/day, annual average)"								
Emission Source	1975	1980	1985	1990	1995	2000	2005	2010
All Sources	275	278	289	321	276	235	191	154
Stationary Sources	46	31	17	21	19	17	16	18
Area-wide Sources	2	2	2	3	3	3	3	4
On-Road Mobile	170	176	198	216	187	149	109	77
   Gasoline Vehicles	160	158	162	162	139	103	65	44
   Diesel Vehicles	10	18	35	54	47	46	44	33
Other Mobile	57	69	73	81	68	66	62	55